| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a paving method capable of easily and accurately paving a land surface with coal ash and blast furnace slag as materials. <P>SOLUTION: A paving method comprises: a first process to dig the ground to construct a trench 31; a second process to lay a plurality of granular solid substances, in the trench 31, which is a solidified mixture of coal ash, containing silica dioxide and calcium oxide of prescribed content rates, and water so as to have self-hardening property; and a third process to spread liquid, a mixture of coal ash, water and powdery blast furnace slag before solidifying, over the plurality of the solid substances laid in the trench 31. <P>COPYRIGHT: (C)2012,JPO&INPIT |
